<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <script src="jquery-3.1.0.min.js"></script>
    <script src="jquery-ui-1.12.0/jquery-ui.js"></script>
    <link rel="stylesheet" href="jquery-ui-1.12.0/jquery-ui.css"/>

    <style type="text/css"></style>
</head>
<body>
    <div style="width: 100px;height: 100px;border: 2px solid red" id="div"></div>

    <script>
        $(document).ready(function(){
            $("#div").draggable();
        })
    </script>
</body>
</html>

